workers at japan's crippled nuclear plant were exposed to radiation overnight. two had to be hospitalized. meantime, in tokyo, panic over radiation levels in the water supply triggered a run on bottled water at stores. >>> tornado clean-up is under way in western pennsylvania, where two dozen homes were damaged wednesday. the only injuries were minor. northern california was also battered by hail stones and high winds. >>> and a sign of rebirth in germany after the death of the beloved polar bear commute last week. a pair of twin poe polar cubs made their debut at the zoo, just in time for spring. oh, my goodness, they are just precious. >>> it is six minutes past the hour. let's get a check of the weather from al. >> i think we need to see some more polar bears. >> little polar bears. >> so cute. >> okay. there they are. everybody go, awww! all right. let's take a look and show you what's happening. and, again, we have some strong storms out west. we've got wind warnings, flood watches, winter storm watches, warnings and advisories, as another big storm pounds the west coast, and there's
